IS 1328: Veneered Decorative Plywood -Specification

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IS 1328 (1996) : Veneered Decorative Plywood -Specification
[CED 20: Wood and other Lignocellulosic products]

Jawaharlal Nehru
'Step Out From the Old to the New"

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PROTECTED BY COPYRIGHT

IS 1328 : 1996
(Reaffirmed 2007)

TCRR m\<<^ '^\ii^ - f^^M^
( ^ftmr^^M )

Indian Standard

VENEERED DECORATIVE PLYWOOD-
SPECIFICATION

(Third Revision)

First Reprint DECEMBER 2000

ICS 79.060.10

© BIS 1996

BUREAU OF INDIAN STANDARDS

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

February 1996 Price Group 3

Indian Standard

AMENDMENT NO- 1 JUNE 2000
' TO
IS 1328:1996 VENEERED DECORATIVE
PLYWOOD — SPECIFICATION

( Third Revision )

( Second cover page y Foreword ) — Insert the following after fourth para as
a separate para:

'A scheme of labelling environment friendly products to be known as ECO Mark
has been introduced at the instance of the Ministry of Environment and Forests
(MEF), Government of India. The ECO Mark shall be administered by the
Bureau of Indian Standards (BIS) under the BIS Act, 1986 as per the Resolution
No. 71 dated 21 February 1991 and Resolution No. 425 dated 28 October 1992
published in the Gazette of the Government of India. For a product to be eligible
for ECO Mark, it shall also carry the Standard Mark of the BIS besides meeting
additional environment friendly requirements. For this purpose, the Standard
Mark of BIS would be a single mark being a combination of the ISI Mark and
the Ecx) logo. Requirements to be satisfied for a product to qualify for the BIS
Standard Mark for Eco friendliness, will be included in the relevant published
Indian Standards through an amendment. These requirements will be optional;
manufacturing units will be free to opt for ISI Mark alone also.

The amendment pertaining to Eco criteria is based on the Gazette Notification
No. 170 dated 18 May 1996 for Wood Substitutes as Environment Friendly
Products published in the Gazette of Government of India*.

( Page 1, clause 5.1.1 ) — Insert the following at the end of the clause:

*For ECO Mark only species of wood from sources other than natural forests
such as wood from rubl)er, coconut, cashew, industrial and social forestry
plantations, etc and shade trees from tea and coffee estates shall be used.*

( Paf^e 1, clausi' 5.1.2 ) — Insert the following at the end of the clause:

'For ECO Mark, only species of wood from sources other thatt natural forests
such as wood from rubber, coconut, cashew, industrial and social forestry
plantations, etc and shade trees from tea and coffee estates shall be used.*

Amend No. 1 to IS 1328 : 1996

( Page 1, clause S3) — Insert the following at the end of the clause:

Tor ECO Mark, the plywood shall confonn to the requirements speciHcd for
MR type in IS 303 : 1989 for ECO Mark purposes.'

( Page 2, clause 12.2 ) — Inseit the following at the end of the clause:

Tor ECO Mark, the material used for packaging of the plywood shall be
recyclable, reusable or biodegradable.'

( Page 2, clause 12.2 ) — Insert the following new clauses after 12.2 and
renumber the subsequent clauses:

*13 OPTIONAL REQUIREMENTS FOR ECO MARK

13.1 General Requirements

13.1.1 The veneered decorative plywood shall confonn to the requirements of
quality and performance as specified in this standard.

13.1.2 The manufacturer shall produce to BIS environmental consent clearance
from the concerned State Pollution Control Board as per the provisions of the
Water (Prevention and Control of Pollution) Act, 1974 and Air (Prevention and
Control of Pollution) Act, 1981 and Water (Prevention and Control of Pollution)
Cess Act, 1977 alongwith the authorization, if required under the Environment
(Protection) Act, 1986 while applying for ECO Mark appropriate with enforced
rules and regulations of Forest E)epartment.

13.2 Specitic Requirements

The veneered decorative plywood shall confonn to the specific requirements
given for ECO Mark under relevant clauses of the standard.

NOTC — llic manufacturer shall provide documentary evidence by way of certificate or
declaration to the Bureau of Indian Standards while applying for ECO Mark.*

( Page 2, renumbered clause 14.1 ) — Insert the following maner at the end
of clause:

'e) The criteria for which the plywood has been labelled as ECO Mark/

(CED20)

^ Printed at Simco rrinting Press. Delhi, Indii;

AMENDMENT NO- 2 AUGUST 2002

TO

IS 1328 : 1996 VENEERED DECORATIVE

PLYWOOD ~ SPECIFICATION

( Third Revision )

( Page 1, clause 4 ) — Substitute the following for the existing clause:

'4 GRADES AND TYPES

4J Decorative plywood shall be of two grades, namely, BWR and MR.

42 Decorative plywood shall be of two types, namely. Type 1 and Type 2, the
two types conforming to the requirements given in 7/

( Page 1, clause 5.2 ) — Substitute the following for the existing clause:

'5JS Adhesive

The adhesive for bonding veneers shall be MR and BWR type synthetic resin
adhesive, conforming to IS 848:1974, for MR and BWR grade veneered
decorative plywood respectively*

[ Page 1, clause 5.3 ( see also Amendment No. I ) ] — Substitute
the following for the existing clause:

'53 Plywood

Plywood, when used in the manufacture of veneered decorative plywood of MR
and BWR grado» shall be MR and BWR type conforming to IS 303: 1989/

( Page 2, ctause 8.1 ) — Insert the following note at the end of the clause:

*NOTE -*> Any other dimensioo as agreed to between the nuinufactunsr and the purchaser
may be uied.*

( Page 2, clause 11.1.2 ) — Substitute the following for the existing clause:

*11.1.2 Water Resistance Test

Veneered decorative plywood of MR and BWR grade, >^en tested in the
manner specified in 11.1.2.1 and 11.1.2.2 respectively, shall not show
delamination or blister formation.*

Amend No. 2 to IS 1328 : 1996

( Page 2, clause 11.1.2.I ) — Insert the following new clause after
1L1.2J:

11.1.2.2 Three test specimens of size 250 nrim x 100 mm shall be prepared from
each of the boards selected and boiled in water for 8 hours and dried for 16 hours
at a temperature of 65 ± 2^C and then followed by two more cycles of soaking
and drying under the same conditions described above/

[ Page 2, clause 13.1(d) ] — Substitute 'Grade and lyipf for Type(5€e 7)'.

(CED20)

Reprography Unit, BIS. New Delhi, India

AMENDMENT NO. 3 JANUARY 2005

TO

IS 1328 : 1996 VENEERED DECORATIVE

PLYWOOD ~ SPECIFICATION

( Third Revision )

( Page 2, clause 8 ) — Substitute the following for the existing:
8 DIMENSIONS AND TOLERANCES

8.1 The dimensions of plywood boards shall be as follows:

2 400 mm X I 200 mm 2 100 mm x 900 mm
2 100 mm X 1 200 mm i 800 mm x 900 mm
1 800 mm X 1 200 mm

8.2 Thickness

The thickness of plywood board shall be 3 mm, 4 mm, 6 mm, 9 mm, 1 2 mm,
19 mm and 25 mm.

NOTE — Any other dimensions (length, width and thickness) as agreed to between the
manufacturer and the purchaser may also he used.

8J Tolerances

Tolerances on the nominal sizes of finished boards shall be as follows:
Dimension Tolerance

l-^ngth +6

~0
Width -i-3

mm

-0

mm

Thickness:

i) Less than 6 mm ±10 percent

ii) 6 mm and above ±5 percent

Iidge straighmcss 2 mm per 1000 mm

or 0.2 percent
Squareness 2 mm per 1000 mm

or 0.2 percent

NOTE *- Edge straightness and squareness shall be tested as per Annex C.

* 1

Amend No. 3 to IS 1328: 1996

( Page 2, clause 9 ) — Substitute the following for the existing:
9 HNISH

9.1 The decorative plywood shall be uniform in thickness within the tolerance
specified in S3.

9.2 The edges of the decorative plywood shall be sanded to a smooth finish,
trimmed straight and square. Edge straightness and squareness when tested as
per Annex C shall be within the tolerances specified in 8.3.

( Page 3, Annex B ) — Insert the following Annex C after Annex B:

ANNEX C
(Clause 9.2)

METHOD OF TEST FOR EDGE STRAIGHTNESS AND SQUARENESS

C-1 PROCEDURE FOR EDGE STRAIGHTNESS

C-1.1 The straightness of the edges and ends of plywood shall be verified
against a straight edge not less than the full length of the plywood. If the edge
on the end of the plywood is convex, it shall be held against the straight edge in
such a way as to give approximately equal gap at each end. The largest gap
between the straight edge and the edge shall be measured to the nearest
millimetre and recorded.

C-2 PROCEDURE FOR SQUARENESS

C-2.1 The squareness of plywood shall be checked with a i 200 mm x 1 200 mm
square, by applying one arm of the square to the plywood. The maximum width
of the gap shall be recorded.

(/>dgf4,A/m€xC)-R€name*ANNEXeas*ANNEXD'.

( Second cover page. Foreword, fifth para ) — Substitute * Annex D' for
*AnnexC'.

(CED20)

Reprography Unit, BIS, New Delhi, India

AMENDMENT NO. 4 JUNE 2005

TO

IS 1328 : 1996 VENEERED DECORATIVE

PLYWOOD — SPECIFICATION

( Third Revision )

( Page 1 , clause 6A,firsl sentence ) — Substitute the following for existing:

Decorative veneers shall be rotary cut or sliced and shall have a thicknto:: • f . ><t
less than 0.3 mm and not more than 1 .0 mm.'

CED 20 ) .

Reprography Unit. BUS. New Delhi. India

AMENDEMNTN0.5 SEPTEMBER 2006

TO

IS 1328 : 1996 VENEERED DECORATIVE

PLYWOOD — SPECIFICATION

(Third Revision)

[Page 2, clause 13, Title (see also Amendment No. 1)] - Substitute
'ADDITIONAL Yor *OPTIONAL\

(CED20)

Reprography Unit, BIS, New Delhi, India

AMKNDMENTNO.O AUCUSI 20U7

TO

IS 1328 : 1986 VICNEKUKI) DIXORAIIVK

IM.YWOOD — SPECIFICATION

( Third Revision )

[Pa^c 2, c7(/;/.\c'.v 11.1.2.1 and 11.1.2.2 {see also Amendment No, 2)] —
Insert the following Note al the end of the above clauses:

NO 1 1 . - I he cycles oi drying or soaking can be m.'idc up of a number of shoncr periods of drying or
st»;ikii»j! In such iii«;(.'mccs. Jhc specimen shall be kept in air nl 27 * 2X! in between the shoncr*
perMuls cimNiHiihnj: ihe di>nip cycle and be kcpl submerged in water at 27 ± 2T in between thc»
slMHlcr periods conshluling Ihe soaking cycle '

(CIJ)20)

Kcpiography Unit, HIS. New Ucilii, India

Wood Products Sectional Committee, CED 20

FOREWORD

This Indian Standard (Third Revision) was adopted by the Bureau of Indian Standards, after the draft
finalized by the Wood Products Sectional Committee had been approved by the Civil Engineering
Division Council.

Decorative plywood is used in panelling work in buildings, interior lining of railway coaches, buses and
ships and for furniture and general interior decoration. In view of the wide field of its application,
decorative plywood has to be durable, of sound construction and highest quality.

This standard was first published in 1958 and was subsequently revised in 1970 and 1982 wherein
modifications in the list of species and provision of Types 1 and 2 of plywood were made. This third
revision of the standard is being brought out to incorporate modifications found necessary in the present
day context. This revision permits use of any species of timber for cores and backs of veneered decorative
plywood. The grade of plywood has been limited to only Moisture Resistant (MR) and recommended
definite thicknesses have been included. Also the references to referred Indian Standards have been
updated.

In the formulation of this standard due weightage has been given to international co-ordination among
the standards and practices prevailing in different countries in addition to relating it to the practices in
the field in this country.

The Committee responsible for the preparation of the standard is given at Annex C.

For the purpose of deciding whether a particular requirement of this standard is complied with, the final
value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance
with IS 2 : 1960 *Rules for rounding off numerical values (revised)\ The number of significant places
retained in the rounded off value should be the same as that of the specified value in this standard.

IS 1328 : 1996

Indian Standard

VENEERED DECORATIVE PLYWOOD —

SPECIFICATION

( Third Revision )

1 SCOPE

This standard covers types of plywood with
ornamental veneers on one or both faces used for
decorative purposes, such as furniture making,
panelling of all kinds, including panelling for rail-
way coaches, buses and ships.

2 REFERENCES

The Indian Standards listed in Annex A are neces-
sary adjuncts to this standard.

3 TERMINOLOGY

3. 1 For the purpose of this standard, the following
definition in addition to those given in IS 707 : 1976
shall apply.

3.1.1 Insect Hole

Open hole caused by wood boring insects.

4 TYPES

Decorative plywood shall be of two types, namely
Type 1 and Type 2, the two types conforming to the
requirements given in 7.

5 MATERIALS

5.1 Timber

5.1.1 The species of timber for the decorative face
veneer in decorative plywood shall be specified by
the purchaser while placing the order. The species
of limber commonly used for decorative veneers or
decorative plywood are given in Annex B.

5.1.2 Any species of timber may be used for cores
and backs of decorative veneered plywood. How-
ever, a list of species, given in Annex B of IS 303 :
1989 may be used for guidance. Non-durable tim-
bers and sapwood of all other timbers shall be given
a preservative treatment. The preservative used
shall be such as not to impart any colour or lasting
smell, oiliness or stain to the plywood and shall not
adversely affect the glueing of the veneer and the
waxing and polishing of the surface.

5.2 Adhesive

The adhesive for bonding of veneers shall be
MR type synthetic resin adhesive, conforming to
IS 848: 1974.

5.3 Plywood

Plywood, when used in the manufacture of
veneered decorative plywood, shall be of MR type
conforming to IS 303 : 1989.

6 MANUFACTURE

6.1 Decorative Veneers

Decorative veneers shall be rotary cut or sliced and
shall be not more than 1.0 mm in thickness. The
veneers shall be spliced or taped at the edges. The
veneers may have end grain joints in cases of special
matching like centre-matching, V-matching, etc.

6.2 Veneers forming any one ply and the cor-
responding ply on the opposite side of the central
plane of plywood shall be of the same species of
timber and of the same nominal thickness, except
in case of faces where they shall be of such thickness
and strength as to balance each other.

7 REQUIREMENTS

7.1 Typel

Type 1 veneered decorative plywood shall comply
with the requirements specified in 7.1.1 to 7.1.4.

7.1.1 Open splits, checks or open joints not more
than 150 mm in length and 0.5 mm in width shall be
permissible provided the same are rectified with a
veneer insert bonded with synthetic resin adhesive,
as the case may be, and further provided that the
insert matches with the surrounding veneer in
colour as well as in figure.

7.1.2 The decorative veneered surface shall be free
from torn grain, dead knots, uote, discolouration
and sapwood.

7.1.3 The decorative veneered surface shall be
selected for figure, texture, colour and grain char-
acteristics. It shall be free from all manufacturing
and wood defects except to the extent permitted
under 7.1.1. All veneers shall be matched or mis-
matched to achieve a decorative effect in colour,
figure and grain.

'7.1.4 If the purchaser requires boards with the
decorative veneers matched to a particular design,

1

IS 1328 : 1996

for example, quarterec*, centred, diamond ~or V-
matched or where it is required that there should
be complete absence of pin knots, it shall be so
specified. If certain number of decorative matched
plywood panels are required to form a group to give
an overall general effect it shall be so specified by
the purchaser giving the number of panels in each
such group.

7.2 Type 2

Type 2 veneered decorative plywood shall comply
with the requirements specified in 7.2.1 to 7.2.3.

7.2.1 Open splits, checks, or open joints not more
than 200 mm in length and 1 mm in width shall be
permissible, provided these are rectified in the
manner specified under 7.1.1. Tight knots and
patches not more than 25 mm in diameter, and pin
knots not more than 4 mm in diameter, shall be
permissible.

7.2.2 The decorative veneer shall be free from the
torn grain, dead knots, dote and discolouration.
Sapwood, if it does not affect the appearance, shall
be permissible.

7.2.3 The decorative veneered surface shall be
selected for figure, texture, colour and grain char-
acteristics. It shall be free from all manufacturing
and wood defects, except to the extent permitted in
7.2.1 and 7.2.2. All veneers shall be matched or
mis-matched to achieve a decorative effect in
colour, figure and grain.

8 DESIGNATION OF DIMENSIONS AND
TOLERANCES

8.1 The dimensions and tolerances (including
on thickness) of plywood shall be as given in
1512049:1987.

8.2 Thickness

Unless otherwise specified, thickness of the
plywood boards shall be 3 mm, 4 mm, 6 mm, 9 mm,
12 mm, 19 mm or 25 mm.

9 FINISH

9.1 The decorative plywood shall be uniform in
thickness within the tolerance limits specified
in 8.1.

9.2 The edges of the decorative plywood shall be
trin^mcd square within 3 mm and sanded to a
smooth finish.

10 SAMPLING AND CRITERIA FOR
CONFORMITY

The method of drawing representative samples and
criteria for conformity shall be as per IS 7638 : 1986.

11 TESTS

11.1 Test boards selected as described in 10 shall
be subjected to the test specified in 11.1.1 and
11.1.2.

11.1.1 Moisture Content

Decorative veneered plywood of either type when
tested in accordance with IS 1734 (Part 1) : 1983
shall have a moisture content of not less than S
percent and not more than IS percent.

11.1.2 Water Resistance Test

Decorative veneered plywood of either type, when
tested in the manner specified in 11.1.2.1, shall not
show delamination or blister formation.

11.1.2.1 Three test specimens of size 250 mm x
100 mm shall be prepared from each of the boards
selected Tnd submerged in water at 60±2°C for a
period of 3 hours and dried for 8 hours at a tempera-
ture of 65±2X and then followed by two more
cycles of soaking and drying under the same condi*
tions described above.

12 INSPECTION AND DELIVERY

12.1 Inspection

All boards shall be visually inspected to ensure that
the decorative veneered sides conform to the re-
quirements specified in 7. They shall also be in-
spected for delamination, blisters or surface
defects.

12.2 Delivery

The decorative plywood shall be supplied in a clean
and dry condition and shall be suitably packed ac-
cording to approved trade practice, unless other-
wise specified by the purchaser.

13^ MARKING

13. 1 Each plywood board shall be legibly and in-
delibly marked or stamped with the following on
the face of board near one corner:

a) Indication of the source of manufacture.

b) Year of manufacture,

c) Batch No., and

d) Type {see 7).

13.2 BIS Certlficatioa Marking

The decorative veneered plywood may also be
marked with the Standard Mark.

13.2.1 The use of the Standard Mark is governed
by ihcBureau of Indian Standards Act, 1986 and the
Rules and Regulations made thereunder. The
details of conditions under which the licence for the
use of the Standard Mark may be granted to
manufacturers or producers may be obtained from
the Bureau of Indian Standards.

IS 1328 : 1996

IS No.

303:

1989

707:

1976

848:

1974

ANNEX A

{Clause 2)
LIST OF REFERRED INDIAN STANDARDS

Title

Specification for plywood for
general purposes [third revision)

Glossary of terms applicable to
timber technology and utilization
{second revision)

Specification for synthetic resin ad-
hesive for plywood (phenolic and
aminoplasiic) {first revision)

IS No. Title

1734 Methods of test for plywood: Part 1

(Parti): 1983 Determination of density and

moisture content {second revision)

7638 : 1986 Methods of sampling for plywood,
fibre hardboard, insulation boards
and particle boards {first revision)

12049: 1987 Dimensi ms and tolerances relat-
ing to wood based panel materials

ANNEX B
(^aaiise 5.1.1)

SPECIES OF TIMBER COMMONLY USED FOR DECORATIVE VENEERS OR

DECORATIVE PLYWOOD

Standard Trade Name

Champ

Chaplash

Chickrassy

Dipika (Lapse)

Kanju

Kokko

Laurel

Mahogany

M:'.ai

Miu^:':

Padauk

Poon

Rosewood

Silver grey

Silver oak
Siris

Sissoo
Teak
Walnut
While cedar

Botanical Name

Abbreviation

Michelia spp.

CHM

Artocarpus chapalsha

CHP

Chukrasia tabularis

CHI

Mansonia dipikae

DIP

Holoptelea integrifolia

KAN

Alhizia lebbeck

KOK

Terminalia tomentossi

LAU

Swietenia spp.

MAG

Shorea assamica

MAX

Acer spp.

MAP

Pterocarpus dalbergioides

PAA

Calophyllum spp.

POO

Dalbergia latifolia

ROS

Terminalia bialata

SGR

(Heartwood)

Grevillea robusta

SOA

Albizia chinensis (syn.

SIR

A. stipulata)

Dalbergia sisso

SIS

Tectona grandis

TEA

Juglans spp. '

WAL

Dysoxylum malabaricum

WCE

IS 1328 : 1996

ANNEX C

( Foreword )

COMMITTEE COMPOSITION

Wood Products Sectional Committee, CED 20

Chairman
Dr p. M. Ganapathy

Members
Shri B. S. Aswathanarayana
Shri p. D. AGARWAL

Shri V. S. Singh (Alternate)
Shri K. K. Baruah

Shri T. K. Das (Alternate)
Maj S. S, Bisht

Shri B. S. Narula (Alternate)
Shri N. M. Chachan

Shri B. B. Roy (Alternate)
Shri A. K. Chatterjee

Shri O. P. Sharma (Alternate)
Shri P. G. Deshmukh

Shri P. L. Nagarsekhar (Alternate)
Shri Harish Khattan

Shri J. L. Bothra (Alternate)
Shri A. K. Kaderkutty
Superintending Engineer (S&S)

ExEcirnvE Engineer (SRS) (Alternate)
Shri Ravinder Kumar
Shri D. K. Kanungo

Dr Yogesh Chandra Nuhavan (Alternate)
Shri K. S. Lauly

Shri P. T. S. Menon (Alternate)
Shrima'H p. Meenakshi

Lt-Col Pradeep Kum^vr (Alternate)
Dr A. N. Nayar
President

Executive Direcfor (Alternate)
Shri S. K. Sanoaneria
Shri K. Sankarakrishnan
Shri S. N. Sanyal

Shri N. K. Shukla (Alternate)
Shri S. N. Sanyal

Shri K. S. Shukla (Alternate)
Shri H. V, Sarda

Shri Amar Kumar (Alternate)
Shri F. C. Siiarma

Shri N. M. Walecha (Alternate)
Dr Y. Singh

Shri L. K. AcCARW/iL (Alternate)
Shri J. K. Sinha

Shri Rama Chandra (Alternate)
Dr N. Sriram
Shri N. K. Upadhayay
Shri M. Zafrulla

Shri Tridib Sen (Alternate)
Shri Vinod Kumar,
Director (SG) and Head (Civ Engg)

Representing
Indian Plywood Industries Research and Training Institute, Bangalore

Indian Plywood Industries Research and Training Institute, Bangalore
Public Works Department, Uttar Pradesh

Forest Department, Government of Assam, Guwahati

Directorate of Standardization, Ministiy of Defence, New Delhi

Plywood Manufacturers* Association of West Bengal, Calcutta

Directorate General of Technical Development, New Delhi

Indian Institute of Packaging, Bombay

Andaman Chamber of Commerce and Industry, Port Blair

llie Western Indian Plywood Ltd, Baliapatam
Central Public Works Department, New Delhi

Ministiy of Defence (R&D), New Delhi
National Test House, Calcutta

'The Indian Plywood Manufacturing Company Ltd, Bombay

Engineer^in-ChiePs Branch, Army Headquarters, New Delhi

In personal capacity (€-29 Inderpuri, New Delhi 110012)
Federation of Indian Plywood and Panel Industry, New Delhi

Assam Plywood-Manufacturers* Association, Tinsukhia

South Indian Plywood Manufacturers' Association, Trivandrum

Forest Products Division, FRl, Dchra Dun

Indian Academy of Wood Science, Bangalore

Mangalam Timber Products Ltd, Calcutta

Directorate General of Civil Aviation, New Delhi

Central Building Research Institute (CSIR), Roorkce

Ministry of Defence (DGQA), Kanpur

NUCHEM Ltd, Faridabad

Directorate General of Supplies and Disposals, New Delhi

Sitapur Plywood Manufacturei^ft Ltd, Sitapur

Director General, BIS (Ex-ofpcio Member)

Secretary

Shrimati RachnaSehcal

Assistant Director (Ch^ Engg), BIS

( Continued on page 5 )

IS 1328 : 1996

( Continued from page 4 )

Plywood and Vcnccrs Subcommittee, CED 20 : 1

Convener
SURI V. SiVANANDA

Members
Shri a. K. Ananthanarayana

Shrimati B. S. Kamaijv {Alternate)
Shri P. D. Agarwal

Shri V. S. Singh {Alternate)

SHRIJ. L. BOTHRA

Shri S. C. MALHaniA (Alternate)
Shri N. M. Chachan

Shri B. B. Roy {Alternate)
Shri P. R. Chandersekhar
Shri A. K. Chah'ERJee

Shri O. P. ShaRMa {Alternate)
Shri Sudeep CnrrLANGiA

Shri K. K. Maheshwari {Alternate)
Shri P. G. Deshmukh

Shri S. C. Purusi ioihaman {Alternate)

DlREt^OR

DrR. Gnanaharan
SiiRiV. K.Gupta

Shri T. K. Jacob
Shri A. K. Kaderkihty
Shri Harish lOiAiTAN

Shri Yash Poddar {Alternate)
Shri B, C. Kharbanda

Shri M. Suresh Babu {Alternate)
SHR1IC.S, Ljkuly

Shri P. '!'. S. Menon {Alternate)
Shri S. P. MnrAL

Shri R. S. Bassi (Alternate)
Mai S. S. Bisht

Shri B. S. Naruij\ {Alternate)
preside^4t
Shri K. S. Shukla

Dr S. p. Singh {Alternate)
Superintending Engineer (S&S)

Executive Engineer (S&S) {Alternate)
ShriN K. Upadhyay
Shri Moiz Vagh
Shri A. R. Vuayendra Rao

Shri N. Balasubrai4/vnyan {Alternate)
Shri M. Zafrulla

Shri Tridib Sen {Alternate)

Representing
Indian Plywood Industries Research and Training Institute, Bangalore

Institute of Wood Science and Technology, Bangalore

Public Works Department, Utlar Pradesh

Andaman Chamber of Commerce and Industry, Port Blair

Plywood Manufacturers' Association of West Bengal, Calcutta

Directorate General of Civil Aviation, New Delhi
Directorate General of Technical Development, New Delhi

Sarda Plywood Industries Ltd, Calcutta

Indian Institute of Packaging, Bombay

Indian Plywood Industries Research and Training Institute, Bangalore

Kerala Forest Research Institute, Peechi

Forest Research Institute, Forest Products Division, (Timber Mechanics),

Dchra Dun
Veneers and Laminations (India) Ltd, Cochin
'Hie Western India Plywood Ltd, Cannanorc
Andamans Timber Industries Ltd, Calcutta

Kerala State Wood Industries Ltd, Nitampur

Tlie Indian Plywood Manufacturing Co Lid, Bombay

Kit ply Industries Ltd, Tinsukhia

Directorate of Standardization, New Delhi

Assam Plywood Manufacturers' Association, Tinsukhia
Forest Research Institute, Forest Products Division (Composite Wood),
Dehra Dun

Central Public Works Department, New Delhi

Directorate General of Supplies and Disposals, New Delhi
South Indian Plywood Manufacturers' Association, Kottayam
Central Food Technological Research Institute (CSIR), Mysore

Silapur Plywood Manufacturers Ltd, Siiapur

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote
harmonious development of the activities of stardardization, marking and quality certification of goods and
attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form
without the prior permission in writing of BIS. This does not preclude the free use, in the course of
implementing the standard, of necessary details, such as symbols and sizes, type or grade designations.
Enquiries relating to copyright be addressed to the Director (Publication), BIS

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed
periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are
needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards
should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue
of 'BIS Handbook' and 'Standards: Monthly Additions'.

This Indian Standard has been developed from Doc: No. CED20(5508).

Amendments Issued Since Publication

Amend No.

Date of Issue

Text Affected

BUREAU OF INDIAN STANDARDS
Headquarters:

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 11 0002
Telephones: 323 01 31, 323 3375, 323 94 02

Regional Offices:

Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg
NEW DELHI 1 10002

Eastern : 1/14 C.I.T. Scheme VII M, V.I.P. Road, Kankurgachi
CALCUTTA 700054

Northern : SCO 335-336, Sector 34.A, CHANDIGARH 160022
Southern : C.I.T. Campus, IV Cross Road, CHENNAI 6001 13

Western : Manakalaya, E9 MIDC, Marol, Andheri (East)
MUMBAI 400093

Branches : AHMADABAD. BANGALORE. BHOPAL. BHUBANESHWAR.
COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI.
HYDERABAD. JAIPUR. KANPUR. LUCKNOW. NAGPUR.
PATNA. PUNE. RAJKOT. THIRUVANANTHAPURAM.

Telegrams: Manaksanstha
(Common to all offices)

Telephone

323 76 17,323 38 4:

(-337 84 99,337 85 61
1337 86 26,337 91 20

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r60 38 43
M 20 25
f235 02 16,235 04 42
1235 15 19,235 23 xf

f 832 92 95, 832 78 58
1832 78 91, 832 78 9|

Printed at Simco Printing Press, Delhi